Instruction manual

5. Adding and Replacing Optional Modules
138
Figure 5-24 Installing a basic control unit (1)
(1) Basic control unit slot
(2) Basic control unit
Step 2
While holding the levers, push the unit carefully until the levers touch the Switch.
The levers must be opened parallel to the direction of insertion.
Figure 5-25 Installing a basic control unit (2)
(1) Contact point
(2) Lever
CAUTION
While holding the levers, push the basic control unit carefully until the
levers touch the Switch.
Failure to do this could result in a Switch malfunction or fault.